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Mental math strategies for multiplication

Quiz by Heba Yaseen

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5 questions
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  • Q1
    What is the shortcut for multiplying a number by 10?
    To multiply a number by 5.
    To divide a number by 10.
    To multiply a number by 10, simply add a zero at the end of the number.
    To subtract a number from 10.
    30s
  • Q2
    What is the shortcut for multiplying a number by 2?
    To multiply a number by 2, simply double the number.
    To divide a number by 2.
    To multiply a number by 10.
    To subtract a number from itself.
    30s
  • Q3
    What is the commutative property of multiplication?
    The order of the factors does not affect the product.
    Adding two numbers together.
    Swapping the factors when multiplying two numbers.
    Multiplying two numbers together.
    30s
  • Q4
    The length of a rectangular garden is 785 centimeters and its width is 6 centimeters. What is the total area of the garden?
    175
    4710
    472
    275
    30s
  • Q5
    A farmer has 364 cows in each of his different farms. If he has 7 farms , how many cows are there in all of the farms?
    5,848
    4,248
    4,648
    2,548
    30s

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